# NTSB DEN75DTE70: Cessna 172, N13657, Lyons, CO, May 25, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 25, 1975
- Place: Lyons, CO · LYONS, CO
- Location: 40.2231° N, 105.2687° W: Placed by OpenAirDocs: center of Lyons, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.2231&lon=-105.2687&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report June 24, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148933
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN75DTE70
- Page: https://openairdocs.org/ntsb/DEN75DTE70

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1298  75/5/25  NR.LYONS,CO           CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 19, 72 TOTAL
        TIME - 1300                    N13657              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, 15 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FT COLLINS,CO               RETURN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- UN OUTCLIMB RISING TERRAIN.LNDD IN TREES.
```

## Aircraft

- Registration: [N13657](https://openairdocs.org/deregistered/N13657-2013-08-19), registration cancelled 2013-08-19, S/N 17262917, built 1974 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19750525013179A](https://openairdocs.org/incident/19750525013179A), May 25, 1975: Cessna 172M, Lyons, CO, Substantial damage. Un outclimb rising terrain. Lndd in trees.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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